QFS-20 & QFS-21 float switches have stainless steel floats and one or two reed contacts.
Properties
Protection class EN60529
:
IP68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
Operating temperature
:
max. + 150 °C
media density
:
ρ ≥ 0,8g/cm³
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, NC
Switching voltage
:
4...250 V AC/DC
Switching current
:
1 mA ...1 A
Switching capacity
:
max. 1A, 60 VA/60 W
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. + 20° / – 20°
Operating pressure (QFS-20)
:
max. 15 bar
Operating pressure (QFS-21)
:
max. 6 bar
KS-410 KS-420
Sensors for temperature & humidity measurement in aluminium or polycarbonate housing
The KS series sensors are modular temperature and humidity measurement sensors in compact housings for use in almost any application.
Specifications
Housing shapes
:
Stabform | Alu- oder Polycarbonatgehäuse
measurands
:
Temperatur | relative Feuchte
Measuring range
:
-40...+80 °C | 0...100% rH
Signal output
:
0...10 V oder 4…20 mA
Power supply
:
12...30 V DC | 24 V DC
properties KG-410
Operating voltage
:
12...30V DC
Power consumption
:
< 15mA
properties KG-420
Operating voltage
:
24V DC
Loop voltage min:
:
Bürde(Ohm) *0,02 + 8 V
Loop voltage max:
:
30V
General properties
Housing
:
Alu-Gehäuse mit Edelstahlstab oder Polycarbonat
Dimensions (LxBxH in mm)
:
30 x 45,4 x 97,3
Protection type/class
:
Gehäuse IP66, Stecker IP 67
Weight
:
96g
Measuring range
measuring range (Humidity)
:
0…10% rH
Measuring accuracy (humidity)
:
± 2%
measuring range (Temperature)
:
-40...+80°C
Measuring accuracy (temperature)
:
± 0,2°C
Signal output
:
0...10V | 4...20mA
QFS-5x | QFS-6x
Teflon float switch for all kinds of liquids up to 150°C
The float of the QFS-50 and QFS-60 float switches is made of Teflon. Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.